Home / 25,380.76-38,059.35-13,531.54

Finding the Fourth Proportional to 25,380.76, 38,059.35 and 13,531.54

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Solution

The fourth proportional to 25,380.76, 38,059.35 and 13,531.54 is: 20,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.76 : 38,059.35 = 13,531.54 : x
  2. Step 2: Convert to fraction form
    25,380.76/38,059.35 = 13,531.54/x
  3. Step 3: Cross multiply
    25,380.76x = 38,059.35 × 13,531.54
  4. Step 4: Simplify right side
    25,380.76x = 515,001,616.90
  5. Step 5: Solve for x
    x = 515,001,616.90/25,380.76
  6. Step 6: Final answer
    x = 20,291.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.